Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6526385 | System for embedding additional information in audio data | Seiji Kobayashi, Dean Chen, Yoshiaki Ohshima, Shuichi Shimizu | 2003-02-25 |
| 6512835 | Data hiding and extraction methods | Masayuki Numao, Shuichi Shimizu, Mei Kobayashi | 2003-01-28 |